535273405440 has 176 divisors, whose sum is σ = 1713117924000. Its totient is φ = 142649589760.

The previous prime is 535273405439. The next prime is 535273405441. The reversal of 535273405440 is 44504372535.

It is an interprime number because it is at equal distance from previous prime (535273405439) and next prime (535273405441).

It is a junction number, because it is equal to n+sod(n) for n = 535273405392 and 535273405401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535273405441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26424436 + ... + 26444684.

Almost surely, 2^535273405440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 535273405440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856558962000).

535273405440 is an abundant number, since it is smaller than the sum of its proper divisors (1177844518560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

535273405440 is a wasteful number, since it uses less digits than its factorization.

535273405440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998 (or 21980 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 42.

Adding to 535273405440 its reverse (44504372535), we get a palindrome (579777777975).

The spelling of 535273405440 in words is "five hundred thirty-five billion, two hundred seventy-three million, four hundred five thousand, four hundred forty".